If you are among the 50 percent of Americans who suffer from insomnia, then you have probably tried everything – from warm milk to melatonin pills or prescription medications to induce sleep – with varying degrees of success and side effects. But what if sleep could be achieved not by a substance, but through 'balancing' brain activity? Researchers at Wake Forest Baptist Medical Center have conducted a pilot clinical study to determine whether a non-invasive approach, that uses musical tones to balance brain activity, can 'reset' the brain and effectively reduce insomnia.